Company Analysis

Olin Corp. (OLN)

NYSE: OLN · Chemicals & Allied Products · Clayton, MO · filing with the SEC since 1994
Grade5.3
◀ Past 6.0● Present 5.7▶ Future 3.9

Who owns Olin Corp.

As filed with the SEC
Holders of 5% or more
5
Hotchkis and Wiley Capital Management, LLC holds 13.4% of Common Stock, $1.00 par value per share, as its SCHEDULE 13G/A filed Feb 17, 2026 says.
Directors and officers
16
report now, of 52 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 5 named at left.
Holders of 5% or moreshare of the class, as filed
Hotchkis and Wiley Capital Management, LLC
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, $1.00 par value per share · 10.2% in Mar 7, 2025
13.4%
Blackrock, Inc.
9.1%
Dimensional Fund Advisors LP
5.4%
Vanguard Capital Management
5.17%
AQR Capital Management, LLC
SCHEDULE 13G · filed Aug 13, 2026 · Common Stock, $1.00 par value per share
5.04%
Fuller & Thaler Asset Management, Inc.
SCHEDULE 13G/A · filed May 13, 2026 · Common Stock · reported falling below 5%, from 5.53% in May 14, 2025
under 5%
Fmr LLC
SCHEDULE 13G/A · filed Feb 12, 2025 · COMMON STOCK · reported falling below 5%
under 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
under 5%
What OLN reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Hidrogenii
An investee · nonconsolidated subsidiary · invested in, named in the 10-K filed Feb 20, 2026
AMMO, Inc.
A company bought · acquisition · Apr 2025 · owns, named in the 10-K filed Feb 20, 2026
White Flyer
A company bought · acquisition · Sep 2023 · owns, named in the 10-K filed Feb 20, 2026

79 subsidiaries in 23 countries, from the list filed with the 10-K filed Feb 20, 2026.

Insider tradesForm 4
5sales
0purchases
0sales on a scheduled plan
5people selling
$2.5Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
17181920212223242526
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 52 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Slater Todd AVP & CFO1$2.1M00$0
Carter DeonVP & President CAPV1$200,00000$0
Castle Angela MVP & Chief Legal Officer1$100,00000$0
Sumner R NicholeVP & Controller1$100,00000$0
Vermillion Teresa MVP & Treasurer1$100,00000$0
SI Assistanton OLN · research, not advice